but nancy pelosi says it must include tax hikes for the wealthy. we have the latest. >> reporter: shannon, the house minority leader, nancy pelosi, sits at the negotiates ing table with the leaders, trying to steer the country away from the fiscal cliff. she says he will not accept a deal that does not include tax rate increases for the wealthiest americans. but she also said she thinks negotiators have enough of a sense of urgenc tow get a deal done by the middle of december. >> we are all grownups. we have a responsibility to the american people. the elements for an agreement are there. time is of the essence, the quicker we do tthe more confidence we instill, the better it is for the economy and the american people. >> reporter: republicans, too, have expressed optimism that the fiscal cliff can be avoided and are open to signing legislation that includes new sources of revenue. but the president wants to raise most of that new money with $1.6 trillion over a decade. republicans are not likely to go along with that. this is why. >> there certain